On Jan 13, 10:17 am, Diego Perini <[email protected]> wrote: > Kanagax, > agree with you about "using (or not) frames" being irrelevant if the > is objective is met. I was talking about reducing a bit the code size > were possible, feature testing is more costly in byte size. > > Please tell me how a 3d party is going to create problem with those > testing I am really interested into improve them if possible. > > You see, the "document.fileSize" property in IE is read-only, and it > is of a type the user cannot create himself that I know, but would be > very interested in how the user could create a variable of type > "unknown", especially how to I create an "unknown" variable in FF / > Opera / Webkit / Konqueror or mobile web browsers ???
Your snippet didn't test for typeof "unknown", but rather for "!= 'undefined'". Sorry if I missed something. If a 3rd party script defines `document.fileSize` in non-IE browser, your proposed `IE` boolean will have a false positive: // run this in Firefox document.fileSize = 1024; IE = typeof document.fileSize != 'undefined'; IE; // true [...] -- kangax --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "jQuery Development" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/jquery-dev?hl=en -~----------~----~----~----~------~----~------~--~---
